Journal-bearing



(No Model.) 2 Sheets- Sheet 1.

J. M. ANDREWS. JOURNAL BEARING.

No. 487,815: Patented Dec. 13-, 1892.

WITNESSES. I 1N VEN TOR.

' A Afrokmfnf UNITED STATES PATENT OFFICE.

JAMES M. ANDREWS, OF SYRACUSE, NEW YORK.

JOURNAL-BEARING.

SPECIFICATION forming part of Letters Patent No. 487,815, dated December13, 1892. Application filed December 21,1891. Serial No. 415,716. (Nomodel.)

Syracuse, in the county of Onondaga, in the State of New York, haveinvented new and useful Improvements in Journal-Bearings, of which thefollowing, taken in connection with the accompanying drawings, is afull, clear, and exact description.

This invention relates to journal-bearings of the antifriction class.

The object is to produce an antifriction journal-bearing in which theaxle or shaft-is inserted into or through a sleeve of larger diameterthan said axle or shaft, in which the antifriction-rollers are placed ina cage which also lies between said sleeve and casing and is central tosaid rollers longitudinally and operates to hold said rollers apart andat a fixed distance from each other, in which a loose cylindrical ringor rings are placed between the rollers and the casing and against whichthey bear outwardly, in which the cage has no bearing outwardly orinwardly and in which annular rings of the same diameter as the loosesleeve are placed at the ends of said sleeve to take the wear andprotect the inner diametrical wall of the casing and the cap whichcloses the outer end of said casing.

This invention consists in the several novel features of construct-ionand operation hereinafter described, and which are specifically setforth in the claims hereunto annexed. It is constructed as follows,reference being had to the accompanying drawings, in which- Figure 1 isa longitudinal vertical section on line yy in Fig. 2. Fig. 2 is avertical transverse section thereof on line a w in Fig. 1.

Fig. 3 is an isometrical elevation of the cage which holds the rollers.Fig. 4 is a side elevation of a roller.

A is the outer casing of cylindrical interior, its outer end beingclosed by the removable cap a and its inner end being partly closed bythe wall or head 6, which is diametrical to the bore of the casing.

B is the shaft which passes through this head, the opening therein beingconsiderably larger than said shaft.

0 is a loose sleeve, the bore of which is considerably greater indiameter than the shaft which enters it. This sleeve is provided other.

with a groove 0 in its outer surface, located substantially central toits length. Rings d are inserted loosely into the casing and areconcentric therewith. Antifriction-rollers e are inserted between theloose sleeve 0 and the rings 61, and bear outwardly against said ringsand inwardly against said sleeve, said rings being antifric-tional intheir functions and also operating to protect the inner wall of thecasing from wear.

D is the cage, consisting of two rings h of greater diameter than saidsleeve and of such width that their whole diameter is less than the boreof said casing. These rings are connected by the joints is, (shown inthe drawings as integral with the rings;) but it is obvious that theymay be in separate pieces secured together in any ordinary manner. Theperipheries of these rings are provided with equidistant notches m ofsubstantially the form shown, which are in pairs in line with each othertransversely to the rings. This cage has no bearing inwardly against thesleeve nor outwardly against the casing. Said cage lies between theinner ends of the loose rings 01, but is not in frictional contacttherewith. The antifriction-rollers e are cylindrical in form adjacentto their ends and are grooved centrally, as at 6, so that their cen tralportions fit freely in the notches m of the cage and are thus held apartfrom each Annular rings at, of equal diameter with the loose sleeve, areinterposed between it and the ends or heads of the casing, their innerfaces beingcut away so that they have no contact with the axle 5 but therollers ecan bear against their outer faces or not, as desired. Therotation of the axle rotates the loose sleeve, this rotates theanti-friction rollers, and these bear upon and more or less rotate theloose rings, and said rollers also rotate in their seats or bearings inthe cage, and as they travel carry it around with them, balancing orcarrying it between them, and said cage is antifrictional. The annularrings n are also more or less rotated by frictional contact with theloose sleeve, and their function is to take up the wear which wouldotherwise come upon the ends of said sleeve. The loose rings between therollers and casing also takes up most of the wear upon the inside of thecasing and also operate antifrictionally between the rollers and'casingand create a movable or yielding outer bearing for said rollers,although said rollers are in close contact therewith.

It will be readily seen how cheaply the rings d can be replaced whenworn and how they take most of the wear, and also the same in regard tothe annular rings 1%, which prolong the life of the loose sleeve. InFig. 1 I show also a circular thrust-plate p, loosely seated in the heada in line with the axle, and lying against the inner face of the head 5a securing-ring y, concentric with the casing and adapted to fit overthe dust-ring and secured in position by screws inserted through saidring y into the head I); but these parts and theirfunctions are not heremore fully described, as they are not a part of this invention, but area part of the invention for which the joint application of myself andThomas D. Greene was filed October 30, 1891,

Serial No. 410,369.

What I claim as my invention, and desire to secure by Letters Patent,is-

1. Thecombination,withtheaxle,thesleeve loosely encircling it and ofgreater diameter than the said axle, and the outer casing, of rollersinterposed between said sleeve and casing and centrally reduced indiameter and a cage lying between the sleeve and casing and notched inits periphery to receive the reduced portion of said rollers and holdthem apart, said cage having no bearing against said sleeve or casing,and means to close the ends of the casing.

2. The combination, with the axle, the sleeve loosely encircling it, andthe outer casing of rollers centrally reduced in diameter and bearingagainst said sleeve, loose rings interposed between said rollers and thecasing and against which said rollers bear, and a cage lying betweensaid sleeve and easing, but not bearing against either, and notchedacross its periphery to receive the rollers centrally, and means toclose the .ends of the casing.

The combination, with the loose sleeve receiving the axle and therollers interposed between said sleeve and easing, of the loose ringsconcentric with the casing and inserted between the rollers and thecasing and rotated by their contact with the rotating rollers.

4. The combination, with the casing, the axle, the sleeve looselyencircling it, and the annular rings concentric with the sleeve andinserted between its ends and the closures of the ends of the casing, ofthe antifrictionrollers bearing inwardly against said sleeve and ringsandoutwardly against the casing.

5. The combination, with the casing, the axle, the sleeve looselyencircling the axle,

and the annular rings concentric with the sleeve and inserted betweenits ends and the closures of the ends of the casing, of the rollersbearing inwardly against the sleeve and rings and the loose rings withinthe casing and concentric therewith, against which the rollers bearoutwardly.

6. The combination, with the casing, the axle, the sleeve looselyencircling the axle, and the annular rings between the ends of thesleeve and the closures of the ends of the casing, of the rollersbearinginwardly against the sleeve and rings, the cage, notched in itsouter face to receive said rollers, and the loose rings within thecasing, against which the rollers bear outwardly.

In Witness whereof I have hereunto set my hand this 17th day ofDecember, 1891.

JAMES M. ANDREWS. In presence of HOWARD P. DENISON, 0. W. SMITH.

